As a starting point, look up the 50/30/20 rule, and calculate your equivalent. After that, look at ways to reduce your cost of living in the 50 & 30 buckets and boost your 20 bucket to make it a greater proportion.
It's americanised and extreme in some approaches, but a website like money mustache can help identify ways to reduce your 50 & 30 buckets e.g. via approach to rental or motoring.
Next, workout what you think a "deposit in a few years time" looks like. e.g. is it 25k in 5 years? Does what you've calculated as your possible savings in your 20 bucket get you there? If not, your options are reduce your 50 & 30 buckets some more, or make more money
Lastly, a lot of people focus on being frugal and saving money, not enough put emphasis on how they can make more. There's great scope for growth in your industry so focus on that and progress, making the case for salary increases when you can
I definitely would not look to stock market speculation as a get rich quick approach. If you think you can make your goal and have a bit to spare, by all means speculate, but dont risk capital loss hoping for a Tesla 80% growth mania to get you there